1313023003123 has 8 divisors (see below), whose sum is σ = 1414086343488. Its totient is φ = 1211968458624.

The previous prime is 1313023003099. The next prime is 1313023003129. The reversal of 1313023003123 is 3213003203131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313023003123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313023003094 and 1313023003103.

It is not an unprimeable number, because it can be changed into a prime (1313023003129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1887286 + ... + 2487547.

It is an arithmetic number, because the mean of its divisors is an integer number (176760792936).

Almost surely, 2^{1313023003123} is an apocalyptic number.

1313023003123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313023003123 is a deficient number, since it is larger than the sum of its proper divisors (101063340365).

1313023003123 is a wasteful number, since it uses less digits than its factorization.

1313023003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397933.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1313023003123 its reverse (3213003203131), we get a palindrome (4526026206254).

The spelling of 1313023003123 in words is "one trillion, three hundred thirteen billion, twenty-three million, three thousand, one hundred twenty-three".